boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyThree-layer skin upper provides perfect touch and control in the forefootTextile heel for light weightNON STOP GRIP (NSG) adds texture to the upper for incredible touch; Sock-like construction for snug fitCONTROL/FIT heel wraps around your foot perfectly for a locked-in, no-slip fitMove with confidence and control on court with the high-grip, court-specific rubber outsole